Thomas Hobbes (1750). “The Moral and Political Works of Thomas Hobbes of Malmesbury: Never Before Collected Together : To which is Prefixed, the Author's Life, Extracted from that Said to be Written by Himself, ...”, p.102
"Disturbing the Peace: A Conversation with Karel Hvizdala". Book by Vaclav Havel translated by Paul Wilson (Chapter 5: The Politics of Hope, p. 114), 1990.